ClassID:

162764

F41A21/482 - CPC Classification

Classification description:

Barrels; Gun tubes; Muzzle attachments; Barrel mounting means; Barrel mounting means, e.g. releasable mountings for replaceable barrels using continuous threads on the barrel

Recent Application in this class:
#1
20260126257
2026-05-07

RIFLE WITH TAPERED INTERFACES

#2
20260071844
2026-03-12

FIREARM HANDGUARD ATTACHMENT AND ALIGNMENT SYSTEM

#3
20260043627
2026-02-12

DISCHARGE GAS SYSTEM HAVING GAS TUBE WITH OFFSET END PORTIONS

#4
20260029209
2026-01-29

QUICK TAKE-DOWN FIREARM

#5
20250251211
2025-08-07

QUICK TAKE-DOWN FIREARM

#6
20250251210
2025-08-07

QUICK TAKE-DOWN FIREARM

#7
20250224192
2025-07-10

QUICK TAKE-DOWN FIREARM

#8
20250224191
2025-07-10

QUICK TAKE-DOWN FIREARM

#9
20250093122
2025-03-20

MULTI-PIECE BARREL DESIGN

#10
20250012537
2025-01-09

MULTI-PIECE BARREL DESIGN

#11
20240418470
2024-12-19

BARREL ATTACHMENT SYSTEM FOR RIFLE

#12
20240337458
2024-10-10

BARREL ATTACHMENT SYSTEM FOR RIFLE

#13
20240328739
2024-10-03

TAPERED BARREL INTERFACE

#14
20240255247
2024-08-01

Barrel Throat Insert

#15
20240151486
2024-05-09

RIFLE WITH TAPERED INTERFACES

#16
20240060737
2024-02-22

Rifles and muzzle loading rifles receiving propellant charge with an extended primer cap in a bolt action configuration, and method of loading

#17
20240044598
2024-02-08

Barrel extension extraction cam and barrel extension system

#18
20230168060
2023-06-01

Rifle bedding assembly

#19
20230148295
2023-05-11

Firearm silencer and muzzle accessory coupling device, user compatibility improvement

#20
20230124066
2023-04-20

Weapon barrel having integrated suppressor

#21
20230112727
2023-04-13

Rifles and muzzle loading rifles receiving propellant charge with an extended primer cap in a bolt action configuration, and method of loading

#22
20220316836
2022-10-06

Interchangeable modular chamber system for a firearm

#23
20220282945
2022-09-08

Caseless magazine weapon (variants)

#24
20220252369
2022-08-11

Firearm barrel feeding geometry

#25
20220099401
2022-03-31

Integrated barrel and muzzle device system

#26
20220057162
2022-02-24

Firearms and components thereof featuring enhanced bolt lug shapes

#27
20220049918
2022-02-17

Structured firearm barrel

#28
20220018629
2022-01-20

FIREARM BARREL NUT AND HANDGUARD MOUNTING PLATE ASSEMBLY

#29
20220018624
2022-01-20

Quick acting modular rifle interface

#30
20210381794
2021-12-09

Suppressor

#31
20210341249
2021-11-04

FIREARM BARREL PRE-LOADING DEVICES, CONNECTION ASSEMBLIES, AND FIREARMS

#32
20210254914
2021-08-19

RIFLE FRAME OF A BREAK-OPEN ACTION RIFLE HAVING A RECESS FOR RECEIVING AN EXTENDED PORTION OF A PRIMER CAP-PROPELLANT CHARGE ASSEMBLY

#33
20210222983
2021-07-22

SCREW TOGETHER FULL LENGTH RIFLED CALIBER ADAPTERS

#34
20210180905
2021-06-17

Devices, systems, and methods for modifying firearms

#35
20210164744
2021-06-03

Rifles and muzzle loading rifles receiving propellant charges in break open and bolt action configurations, and barrel extensions therefor

#36
20210156637
2021-05-27

Test gun barrel extension joint

#37
20210131759
2021-05-06

Suppressor

#38
20210071981
2021-03-11

QUICK TAKE-DOWN FIREARM

#39
20210071980
2021-03-11

Integrally suppressed barrel

#40
20210055068
2021-02-25

Rifles and muzzle loading rifles receiving propellant charges in break open and bolt action configurations, and barrel extensions therefor

#41
20210041201
2021-02-11

Quick acting modular rifle interface

#42
20200400399
2020-12-24

Devices, systems, and methods for modifying firearms

#43
20200370852
2020-11-26

Firearm accessory connection device

#44
20200333097
2020-10-22

Firearm with interchangeable threaded and non-threaded barrel—receiver connection

#45
20200300566
2020-09-24

Firearm barrel having improved stiffening and/or cooling

#46
20200284543
2020-09-10

Systems and methods for coupling a barrel and handguard to a firearm

#47
20200217607
2020-07-09

Modular firearm muzzle attachment system

#48
20200191515
2020-06-18

FIREARMS AND COMPONENTS THEREOF, FOR ENHANCED AXIAL ALIGNMENT OF BARREL WITH ACTION

#49
20200158460
2020-05-21

Interchangeable barrel assembly for a firearm and method of changing the barrel

#50
20200049436
2020-02-13

Ambidextrous straight pull bolt action with closing rotative slugs

#51
20200025484
2020-01-23

Free-floating rifle rail and barrel locking system(S)/assemblies

#52
20190226789
2019-07-25

Quad lock multicaliber rifle receiver with locking barrel

#53
20190178598
2019-06-13

Concentric rifle barrel assembly

#54
20190154396
2019-05-23

Free-floating rifle rail and barrel locking system(s)/assemblies

#55
20190154389
2019-05-23

Quick take-down firearm

#56
20190154379
2019-05-23

Firearm barrel stiffening and/or cooling systems and methods

#57
20190128631
2019-05-02

Weapon Barrel Having Integrated Suppressor

#58
20190086175
2019-03-21

Firearm barrel pre-loading devices, connection assemblies, and firearms

#59
20190086167
2019-03-21

Firearm with locking lug bolt, and components thereof, for accurate field shooting

#60
20190056188
2019-02-21

Firearm assembly system and method

#61
20190003796
2019-01-03

REMOVABLE BARREL AND HAND GUARD FOR MODULAR RIFLES

#62
20180306547
2018-10-25

Two-piece barrel nut

#63
20180283821
2018-10-04

Interchangeable chamber and barrel system

#64
20180259276
2018-09-13

Automatic firearm housing apparatus and related methods

#65
20180202736
2018-07-19

Modular barrel system and method for its manufacture

#66
20180195832
2018-07-12

Firearm handguard and attachment assembly

#67
20180172396
2018-06-21

Firearm handguard assembly

#68
20180142980
2018-05-24

Extension device of a firearm

#69
20180128567
2018-05-10

Firearms and components thereof, for enhanced axial alignment of barrel with action

#70
20180080733
2018-03-22

Quad lock multicaliber rifle receiver with locking barrel

#71
20180031343
2018-02-01

Submachine gun conversion unit

#72
20180023919
2018-01-25

FIREARM HANDGUARD ASSEMBLY

#73
20170363378
2017-12-21

Quick take-down firearm

#74
20170299326
2017-10-19

Adjustable firearm handguard mounting system

#75
20170299291
2017-10-19

Handguard and barrel assembly with sound suppressor for a firearm

#76
20170254610
2017-09-07

Two-piece barrel nut

#77
20170241723
2017-08-24

Firearm with locking lug bolt, and components thereof, for accurate field shooting

#78
20170199003
2017-07-13

Machine gun assembly and interlock element for use with a machine gun assembly

#79
20170184357
2017-06-29

Bolt carrier bearing tube for rifle receiver

#80
20170160040
2017-06-08

Firearm conversion kit not requiring a dedicated fastening tool

#81
20170160037
2017-06-08

Quick connect rifle receiver adapter system

#82
20170115083
2017-04-27

Interchangeable Chamber and Barrel System

#83
20170074612
2017-03-16

Firearm barrel fluting of varied depth and/or width

#84
20170074609
2017-03-16

Breech assembly

#85
20170067715
2017-03-09

Firearm

#86
20160209155
2016-07-21

Interchangeable chamber and barrel system

#87
20160161204
2016-06-09

Barrel installation tool

#88
20160151892
2016-06-02

Barrel installation tool

#89
20160131447
2016-05-12

Automatic or semi-automatic rifle

#90
20160116251
2016-04-28

Firearm with tubular handguard mounting system

#91
20160033226
2016-02-04

Barrel extension for firearm

#92
20160033225
2016-02-04

Removable barrel and hand guard for modular rifles

#93
20150266168
2015-09-24

Barrel installation tool

#94
20150247695
2015-09-03

Quick detach barrel mounting system

#95
20140318362
2014-10-30

Automatic or semi-automatic rifle

#96
20140230802
2014-08-21

Adapter kit and method for a paintball marker with a .68 caliper barrel

#97
20130291420
2013-11-07

Firearm and firearm system

#98
20130205637
2013-08-15

Quick take-down barrel system and method for modular rifle

#99
20130180151
2013-07-18

BARREL NUT MOUNTED MOUNTING STRUCTURE FOR A RIFLE ACCESSORY ITEM AND SYSTEM COMPRISING SAME

#100
20130145669
2013-06-13

Pistol barrel system and method

#101
20120311908
2012-12-13

Barrel mounting and retention mechanism

#102
20120180358
2012-07-19

Modular fore-end rail/hand guard assembly system for firearms with selectable heat dissipation characteristics

#103
20120144713
2012-06-14

Lightweight, low cost semi-automatic rifle magazine

#104
20120131834
2012-05-31

Firearm with quick coupling barrel system

#105
20120111183
2012-05-10

Automatic or semi-automatic rifle

#106
20120102805
2012-05-03

Eccentric rail nut and eccentric rail mounting system

#107
20120090150
2012-04-19

Method for mounting firearm barrel

#108
20120030981
2012-02-09

Bolt action firearm and its method of assembly

#109
20120017483
2012-01-26

Firearm barrel retaining system

#110
20110247254
2011-10-13

ATTACHMENT ASSEMBLY FOR FIREARM HANDGUARD AND METHOD OF ATTACHING HANDGUARD TO A FIREARM

#111
20110023694
2011-02-03

Rapid fire weapon with bidirectional interchangable barrel

#112
20110005376
2011-01-13

Tube weapon

#113
20100307044
2010-12-09

Sleeve and method for increasing rifle accuracy

#114
20100281733
2010-11-11

Bolt action firearm and its method of assembly

#115
20100175290
2010-07-15

System for joining a barrel to the receiver of a bolt action rifle

#116
20100162604
2010-07-01

Lightweight, low cost semi-automatic rifle

#117
20100051004
2010-03-04

Paintball Gun

#118
20070240697
2007-10-18

Fixing ring structure for a barrel of a toy gun

#119
20070186458
2007-08-16

Interchangeable barrel system for rifles

#120
20070033851
2007-02-15

Automatic or semi-automatic rifle

#121
20070017139
2007-01-25

Hand-guard / barrel nut clamp assembly for tactical firearm

#122
20060207154
2006-09-21

IMPROVED SHOTGUN BARREL CONSTRUCTION

#123
20050066953
2005-03-31

Pneumatic paintball marker, universal barrel, adaptor and insert combination

#124
20050066951
2005-03-31

Launching device

#125
18767183
2025-11-18

Forend kit and firearm comprising components of the kit

#126
18243962
2025-03-11

Paintball gun barrel with variable sized magna ports

#127
17330339
2022-02-01

Barrel assembly for pneumatic paintball gun

#128
15800979
2018-05-08

Modular firearm system

#129
15728448
2018-07-03

Gun conversion kit

#130
15641164
2020-04-28

Gun barrel manufacturing methods

#131
15422631
2018-06-19

Rifle apparatus, system, assembly, and method

#132
15153464
2017-10-17

Firearm handguard assembly

#133
15071892
2017-07-11

Rifle barrel nut and methods for coupling firearm components

#134
14986426
2017-05-02

Rifle apparatus, system, assembly, and method

#135
14599508
2016-09-20

Barrel nut with two-piece separable extension